can be used as 7 inputs and 1 output (mixer).
or 1 input and 7 outputs (splitter).
*any free input can be used as an output for any 6x2, 5x3, 4x4 configuration.
(which is cool for jamming w/ a friend or multi output situation)

**the true output is the jack to the left of the circle cutout.
(only 1 side has a circle cutout, the other 3 sides are rectangle)